package com.itheima.service.impl;


import com.itheima.dao.OrderSettingDao;
import com.itheima.pojo.OrderSetting;
import com.itheima.service.OrderSettingService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 预约设置管理业务层
 */
@Service
@Slf4j
public class OrderSettingServiceImpl implements OrderSettingService {

    @Autowired
    OrderSettingDao orderSettingDao;

    /**
     * 下载模板
     *
     * @param httpResponse
     * @param filename
     */
   /* public void download(HttpServletResponse httpResponse, String filename) {

        System.out.println(filename);
    }*/

    /**
     * 根据列表数据批量添加
     * @param list
     */
    public void add(List<OrderSetting> list) {
        if(list != null && list.size() > 0){
            for (OrderSetting orderSetting : list) {
                //检查此数据（日期）是否存在
                System.out.println("日期数据"+orderSetting.getOrderDate());
                long count = orderSettingDao.findCountByOrderDate(orderSetting.getOrderDate());
                log.info("是否存在："+count);
                if(count > 0){
                    //已经存在，执行更新操作
                    orderSettingDao.editNumberByOrderDate(orderSetting);
                }else{
                    //不存在，执行添加操作
                    orderSettingDao.add(orderSetting);
                }
            }
        }
    }

    @Override
    public List<Map> getOrderSettingByMonth(String date) {
        String dateBegin = date + "-1";//2022-4-1
        String dateEnd = date + "-31";//2022-4-31
        Map map = new HashMap();
        map.put("dateBegin",dateBegin);
        map.put("dateEnd",dateEnd);
        List<OrderSetting> list = orderSettingDao.getOrderSettingByMonth(map);
        List<Map> data = new ArrayList<>();
        if (list!=null && list.size()>0){
            for (OrderSetting orderSetting : list) {
                Map orderSettingMap = new HashMap();
                orderSettingMap.put("date",orderSetting.getOrderDate().getDate());//获得日期（几号）
                orderSettingMap.put("number",orderSetting.getNumber());//可预约人数
                orderSettingMap.put("reservations",orderSetting.getReservations());//已预约人数
                data.add(orderSettingMap);
            }
        }
        return data;
    }

    //根据日期修改可预约人数
    public void editNumberByDate(OrderSetting orderSetting) {
        long count = orderSettingDao.findCountByOrderDate(orderSetting.getOrderDate());
        if(count > 0){
            //当前日期已经进行了预约设置，需要进行修改操作
            orderSettingDao.editNumberByOrderDate(orderSetting);
        }else{
            //当前日期没有进行预约设置，进行添加操作
            orderSettingDao.add(orderSetting);
        }
    }
}
